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All Journal J-Dinamika: Jurnal Pengabdian Kepada Masyarakat REACTOR : Journal of Research On Chemistry And Engineering
Al Fuady, Muhammad Iqbal
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Education Energy

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Pembuatan Mikroorganisme Lokal (MOL) dari Bahan Baku Limbah Rumah Tangga sebagai Upaya Peningkatan Kualitas Pupuk Kompos di Desa Rejosari Kecamatan Gondangrejo Kabupaten Karanganyar Al Fuady, Muhammad Iqbal; Salma Khansani , Afanindya; Aulina Rohmah, Binti; Griyasti Suci, Windhu; Asto Putro, Firman; Sekar Eka Ayu Gustiana, Himmah; Satria Yudha , Cornelius; Nur Shohih, Esa
J-Dinamika : Jurnal Pengabdian Masyarakat Vol 10 No 2 (2025): Agustus
Publisher : Politeknik Negeri Jember

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Abstract

Kepedulian masyarakat dan pemerintah akan pentingnya pengelolaan sampah limbah rumah tangga masih sangat minim di lingkungan kita. Limbah rumah tangga yang belum termanfaatkan dengan baik di Desa Rejosari dapat diolah menjadi mikroorganisme lokal (MOL) yang lebih bernilai serta dapat diaplikasikan pada masyarakat setempat. Mikroorganisme lokal (MOL) merupakan larutan yang menggunakan bahan organik sebagai media untuk kelangsungan hidup dan perkembangan mikroorganisme. Larutan MOL dapat digunakan sebagai pengurai, pupuk hayati, pestisida organik, dan aktivator pengomposan. Proses produksi mikroorganisme lokal (MOL) diawali dengan tahap persiapan alat dan bahan, dilanjutkan dengan tahap fermentasi bahan, dan tahap penyaringan hasil akhir produk.
Studi Kinetika dan Penentuan Dosis Optimum Koagulan FeCl3 dalam Menurunkan Konsentrasi Cu2+ pada Larutan Fadila, Muhammad Seachan; Afandy , Moh. Azhar; Suhirman , Suhirman; Al Fuady, Muhammad Iqbal
REACTOR: Journal of Research on Chemistry and Engineering Vol. 4 No. 2 (2023)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v4i2.100

Abstract

This study aims to determine the efficiency and adsorption capacity of various concentrations of FeCl3 coagulants (100-300 mg/L) to reduce Cu2+ concentrations in wastewater as well as the kinetic parameters that affect the adsorption mechanism in the coagulation process when coagulant particles added to wastewater will stick to the surface of colloidal particles, which will then change the charge. Several adsorption kinetics models employed in this study include Pseudo-first order, Pseudo-second order, Elovich, and Intra particle diffusion. The applicability of the models produced in this work was evaluated by optimizing the non-linear equations, which provide values that are more precise and in agreement with real situations when compared to the linear kinetic models. These characteristics are measured based on the value of the coefficient of correlation (R2), Sum Square Error (SSE), and Chi Square (x2). The results showed that the highest efficiency value of the FeCl3 coagulant was 98.705%, with the value of the adsorption capacity increasing along with the concentration of the FeCl3 coagulant. The kinetic model created in this work has a very excellent fit in terms of experimental data values and prediction data.
Co-Authors Asto Putro, Firman Aulina Rohmah, Binti Fadila, Muhammad Seachan Griyasti Suci, Windhu Moh. Azhar Afandy Nur Shohih, Esa Salma Khansani , Afanindya Satria Yudha , Cornelius Sekar Eka Ayu Gustiana, Himmah Suhirman , Suhirman